Home / 704,239,900.80-1,056,359,851.20-340,770,998.40

Finding the Fourth Proportional to 704,239,900.80, 1,056,359,851.20 and 340,770,998.40

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Solution

The fourth proportional to 704,239,900.80, 1,056,359,851.20 and 340,770,998.40 is: 511,156,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,239,900.80 : 1,056,359,851.20 = 340,770,998.40 : x
  2. Step 2: Convert to fraction form
    704,239,900.80/1,056,359,851.20 = 340,770,998.40/x
  3. Step 3: Cross multiply
    704,239,900.80x = 1,056,359,851.20 × 340,770,998.40
  4. Step 4: Simplify right side
    704,239,900.80x = 359,976,801,163,099,456
  5. Step 5: Solve for x
    x = 359,976,801,163,099,456/704,239,900.80
  6. Step 6: Final answer
    x = 511,156,497.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.